Trommel screen unit

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4222865
SERIAL NO

06012880

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The trommel screen unit includes a screen panel of polyurethane having embedded therein a plurality of longitudinal and transverse fiberglass rods. Marginal portions of the polyurethane panel overlie and are bonded to a rectangular steel frame, the sides of the frame having longitudinally spaced notches which receive therein the end portions of the transverse rod.

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Patent Owner(s)

  • IRATHANE SYSTEMS INCORPORATED

International Classification(s)

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  • 1979 Application Filing Year
  • B07B Class
  • 78 Applications Filed
  • 1 Patents Issued To-Date
  • 1.29 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances197919800255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burkes, Daniel O Hibbing, MN 5 62
Valeri, William J Pengilly, MN 2 42

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Patent Citation Ranking

  • 38 Citation Count
  • B07B Class
  • 0 % this patent is cited more than
  • 45 Age
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